quasquicentennial

== English == === Etymology === From quasqui- (“quarter”) +‎ centennial, from Latin quadrāns (“quarter”) or Latin quārtus (“fourth”). === Adjective === quasquicentennial Relating to a period of 125 years. === Noun === quasquicentennial A 125th anniversary. A celebration to mark such an anniversary. ==== References ==== “quasquicentennial”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.